package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

import java.time.LocalDateTime;

import static com.itheima.reggie.utils.sff.lastSix;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest httpServletRequest, @RequestBody Employee employee) {
        //1.密码MD5加密
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        //2.根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        //3.没查到用户名直接返回登录失败结果
        if (emp == null) {
            return R.error("用户名不存在！");
        }
        //4.密码的比对判断
        if (!emp.getPassword().equals(password)) {
            return R.error("密码错误!");
        }
        //5.查看员工的状态
        if (emp.getStatus() == 0) {
            return R.error("用户已被禁用！！！");
        }
        //6.都正确登陆成功，将员工ID存入Session并返回登录成功结果
        httpServletRequest.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    //员工退出
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest httpServletRequest) {
        //1.清楚Session中保存的当前员工的id
        httpServletRequest.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("新增员工，员工信息:{}", employee.toString());
        //设置初始密码
        String password = lastSix(employee.getIdNumber());
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        employee.setPassword(password);
        employee.setStatus(1);
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);
        log.info("新增员工，员工信息:{}", employee.toString());
        return R.success("新增员工成功!");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        log.info("page={},pageSize={},name={}", page, pageSize, name);
        //构造分页构造器
        Page pageInfo = new Page(page, pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        //执行查询
        employeeService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    @PutMapping
    public R<String> update(HttpServletRequest request, @RequestBody Employee employee) {
        log.info(employee.toString());
        long id = Thread.currentThread().getId();
        log.info("线程id:{}",id);
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    //@PathVariable表示这个值在请求路径里边
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息");
        Employee employee = employeeService.getById(id);
        if (employee != null) {
            return R.success(employee);
        }
        return R.error("没有查到员工信息！！！");
    }
}
